Southern California -- this just in

U.S. Drug Enforcement Administration agents served 10 search warrants Tuesday on physicians and pharmacies affiliated with the San Diego Padres baseball and San Diego Chargers football teams, authorities said.

The agents were checking the records of controlled substances, which physicians and pharmacies are required to maintain under law, according to federal authorities.

There are currently no criminal or administrative charges, but the investigation is ongoing, said Amy Roderick, DEA spokeswoman in San Diego.

Spokesmen for the Chargers and Padres were not immediately available for comment.

[Updated at 7:50 p.m.: Thursday evening the Padres released a statement, saying in part: “The Padres are fully cooperating with the DEA and have been advised that none of our players is the subject of this investigation. Since this investigation is ongoing, the Padres will have no further comment at this time.”

The Chargers declined to comment.]

Tuesday's action comes after former Chargers safety Kevin Ellison was arrested in Redondo Beach in May on suspicion of possessing 100 Vicodin tablets. Ellison, a former standout at Redondo Union High School and USC, was recently released by the Chargers. He was picked up by the Seattle Seahawks.

[Updated at 8:47 p.m.: The Chargers released a statement that said team officials were "made aware today of an administrative inspection by the Drug Enforcement Administration and have cooperated fully. In regards to the ongoing investigation involving Kevin Ellison, the Vicodin in Kevin’s possession was not provided by the Chargers, its physicians or anyone affiliated with the team.”]